Mount Roraima is the highest of South America’s Pakaraima Mountains and one of the world’s most extraordinary natural geological formations. The 31-square-kilometer summit area is defined by 400-meter-tall cliffs on all sides and includes the borders of Brazil, Venezuela, and Guyana.

The tabletop mountains of the Pakaraima range are considered to be some of the oldest geological formations on Earth, dating back to over 2 billion years ago. Apparently, that’s how long it takes to make something as wondrous as Mount Roraima. Take the tour below: